Specialized Molding Techniques 2001
DOI: 10.1016/b978-188420791-4.50031-6
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Experimental Determination of Optimized Vibration-assisted Injection Molding Processing Parameters for Atactic Polystyrene

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Cited by 4 publications
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“…The crystalline morphologies of injection‐molded semicrystalline polymers are pronouncedly dependent on the processing conditions. In order to control the crystalline morphologies and meet the requirements of applications, various injection molding technologies have been proposed, including shear‐controlled orientation injection molding, vibration‐assisted injection molding, dynamic packing injection molding, and other techniques . The basic principle of aforementioned technologies is the application of external shearing fields to the polymer melt during the injection/packing stage, in which polymer chains are stretched along the flow direction, and a transition from a relatively isotropic spherulitic to a highly oriented shish‐kebab can be observed.…”
Section: Introductionmentioning
confidence: 99%
“…The crystalline morphologies of injection‐molded semicrystalline polymers are pronouncedly dependent on the processing conditions. In order to control the crystalline morphologies and meet the requirements of applications, various injection molding technologies have been proposed, including shear‐controlled orientation injection molding, vibration‐assisted injection molding, dynamic packing injection molding, and other techniques . The basic principle of aforementioned technologies is the application of external shearing fields to the polymer melt during the injection/packing stage, in which polymer chains are stretched along the flow direction, and a transition from a relatively isotropic spherulitic to a highly oriented shish‐kebab can be observed.…”
Section: Introductionmentioning
confidence: 99%
“…In order to control the crystalline morphologies and meet the requirements of applications, various molding technologies have been invented, including shear-controlled orientation in injection molding (SCORIM), 8 oscillatory shear injection molding (OSIM) 9 and vibration-assisted injection molding (VAIM). 10,11 The key to these technologies is imposing an intense shear or elongational ow during molding, by which polymer chains are stretched along the ow direction, and a transition from a relative isotropic morphology, spherulite, to a highly oriented morphology, shish-kebab, can be observed.…”
Section: Introductionmentioning
confidence: 99%
“…Deflection of a product was measured in x-axis, y-axis, z-axis or all direction depending on requirement of the product used. Warpage problem was categorized in aesthetic properties in injection molding process [1]. It was very importance to show the appearance of a product developed as well as to ensure the product ability to be assemble well.…”
Section: Introductionmentioning
confidence: 99%